<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:myObj="urn:my-obj5">
    <xsl:template match="/">
	<result>Function1:<xsl:value-of select="myObj:Fn1()"/></result>
    </xsl:template>
</xsl:stylesheet>